Olutiola, P. O. (2013). Man’s Unseen Allies and their Self-Synthesized Tools. Obafemi Awolowo University Press.
Lua i Stíl Chicago (17ú heag.)Olutiola, P. O. Man’s Unseen Allies and Their Self-Synthesized Tools. Obafemi Awolowo University Press, 2013.
Lua MLA (9ú heag.)Olutiola, P. O. Man’s Unseen Allies and Their Self-Synthesized Tools. Obafemi Awolowo University Press, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.